72677252 has 12 divisors (see below), whose sum is σ = 127315776. Its totient is φ = 36301320.

The previous prime is 72677249. The next prime is 72677273. The reversal of 72677252 is 25277627.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4688 + ... + 12935.

It is an arithmetic number, because the mean of its divisors is an integer number (10609648).

Almost surely, 2^72677252 is an apocalyptic number.

It is an amenable number.

72677252 is a deficient number, since it is larger than the sum of its proper divisors (54638524).

72677252 is a wasteful number, since it uses less digits than its factorization.

72677252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18658 (or 18656 counting only the distinct ones).

The product of its digits is 82320, while the sum is 38.

The square root of 72677252 is about 8525.0954246859. The cubic root of 72677252 is about 417.3170857814.

The spelling of 72677252 in words is "seventy-two million, six hundred seventy-seven thousand, two hundred fifty-two".